Canton of Mersch
Canton of Mersch 
    Kanton Miersch (Luxembourgish) Kanton Mersch (German) Canton de Mersch (French)  | |
|---|---|
| Coordinates: 49°42′N 6°6′E / 49.700°N 6.100°E | |
| Country | Luxembourg | 
| Legislative constituency | Centre | 
| LAU 1 | LU00004 | 
| Communes (cities in bold)  | Bissen Colmar-Berg Fischbach Heffingen Helperknapp Larochette Lintgen Lorentzweiler Mersch Nommern  | 
| Area | |
 • Total  | 223.9 km2 (86.4 sq mi) | 
| • Rank | 6th of 12 | 
| Highest elevation | 436 m (1,430 ft) | 
| Lowest elevation | 201 m (659 ft) | 
| Population  (2024)  | |
 • Total  | 36,262 | 
| • Rank | 5th of 12 | 
| • Density | 160/km2 (420/sq mi) | 
| • Rank | 6th of 12 | 
Mersch (Luxembourgish: Miersch) is a canton in the centre of Luxembourg. It is the only canton, other than Luxembourg, to be entirely surrounded by other cantons, and therefore not to have an international boundary.